1、英语必修3(人教版)Astronomy：the science of the starsItemsAims and demandsKey wordsn.astronomy 天文学system 系统；体系；制度climate 气候 carbon 碳theory 理论；学说 globe 球体；地球仪；地球atmosphere 大气层；气氛 acid 酸chain 链条；锁链 oxygen 氧气dioxide 二氧化物 biology 生物学gravity 万有引力；重力 satellite 卫星，人造卫星spaceship 宇宙飞船 mass 质量；团，块；大量v. multiply 乘；增加 c
2、rash 碰撞；坠落adj.fundamental 基本的，基础的 harmful有害的n& vpull 牵引力；拉，拖 puzzle 迷，难题；使迷惑，使不解float漂浮物；浮动，漂浮Wordbuildingatom n原子atomic adj.原子的exist v生存；存在 existence n生存，存在less adj.较少的 lessen v减少，减轻like v& prep.喜欢；像dislike v不喜欢unlike prep.不同；不像physics n物理 physical adj.物理的 physicist n物理学家weight n重量 weightless adj.没
3、有重量的 weightlessly adv.失重地harm n& v伤害 harmful adj.有害的 harmless adj.无害的gentle adj.温柔的 gently adv.温柔地 gentleman n绅士puzzle n&v.难题；使迷惑 puzzling adj.令人迷惑的 puzzled adj.迷惑的violent adj.猛烈的；强暴的 violently adv.猛烈地 violence n暴力Expressionsprevent.from阻止，制止break out 爆发in ones turn轮到某人；接着 cheer up感到高兴，感到振奋give birth to产生；分娩 lay eggs下蛋in time及时；终于 watch out密切注视；当心；提防Sentencepatterns1.It was so hard that we could not say anything to each other.2We are_too_far_from the earth now to feel its pull.Grammar名词性从句(二)主语从句It was not immediately obvious that_water_was_to_be_fundamental_to_the_development_of_life.
